It is possible to find lenders who specialize in providing these facilities.

It is true that bad credit ratings cause the lender to take more risks when you offer a home loan, but just because you have bad credit, it is not a guarantee that you will default on all new loans.

By the 80/20 mortgage you avoid paying private mortgage insurance, which can add hundreds of dollars on your monthly mortgage amount.

It is usually done when interest on the new loan rates are lower than that of the previous one. You can even obtain a refinance rate home loan to shorten the duration of the repayment schedule.
Many people do not even realize that their home has significantly increased in value since their purchase.
If your interest rate is high, chances are you are struggling every month to repay the debt.